Paul, There are 7 peaks total, about 40 kHz apart (on my 5061A). If you're talking about just the central peak, there are two smaller peaks on either side, about 1 kHz apart. The exact value depends on internal magnetic field, which is specific to each beam tube design.
For some measurements of all the peaks, have a look at: http://leapsecond.com/pages/cspeak/ You can play with the C-field in addition to playing with peaks: http://leapsecond.com/images/cfield.gif (578 x 4610 pixels) For more details search the archives for the word Zeeman. For example: https://www.febo.com/pipermail/time-nuts/2005-April/018171.html A nice description from hp how a cesium beam standard works: http://leapsecond.com/museum/hp5062c/theory.htm /tvb ----- Original Message ----- From: "paul swed" <[email protected]> To: "Time-nuts" <[email protected]> Sent: Saturday, December 06, 2014 6:11 AM Subject: [time-nuts] HP 5061Cs reference question >I have a curious question that really applies to all Cs references. > Its possible to set them on to the wrong peak. > Typically in the literature it will speak to at least 3 peaks and you want > to select the highest central peak. > However if you select the wrong peak, how much would the output frequency > be off? > I had read a tech note for the airforce that seems to indicate its pretty > easy to get on to the wrong peak. > Regards > Paul > WB8TSL
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